Carbohydrate Chemistry Quiz
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Questions and Answers

What is the range of monosaccharide units in an oligosaccharide?

  • 20-50
  • 10-100
  • 2-10 (correct)
  • 50-1000

    • What is the composition of oligosaccharide molecules?

  • Composed of monosaccharide molecules (correct)
  • Composed of polysaccharide molecules
  • Cannot be broken down into monosaccharides
  • Composed of molecules with many carboxyl groups

    • What is the intermediate group between monosaccharides and polysaccharides?

  • Trioses
  • Glycosides
  • Aldohexoses
  • Oligosaccharides (correct)

    • What type of carbohydrates are broken down into 2-10 monosaccharide units?

    <p>Carbohydrates broken down into 2-10 monosaccharide units</p> Signup and view all the answers

    What type of bond is present in oligosaccharide molecules?

    <p>Glycosidic bond</p> Signup and view all the answers

    How many types of bonds are present in oligosaccharides?

    <p>2</p> Signup and view all the answers

    What is the bond formed between two monosaccharide molecules called?

    <p>Disaccharide bond</p> Signup and view all the answers

    Which carbon atom's hydroxyl group is involved in the formation of a glycosidic bond in disaccharides?

    <p>C1</p> Signup and view all the answers

    What is the principle of formation of reducing disaccharides?

    <p>α-glycosidic bond – β-glycosidic bond</p> Signup and view all the answers

    What is the principle of formation of non-reducing disaccharides?

    <p>α-glycosidic bond – α-glycosidic bond</p> Signup and view all the answers

    Which carbon atom's hydroxyl group is involved in the formation of a glycosidic bond in non-reducing disaccharides?

    <p>C1-C4</p> Signup and view all the answers

    How are disaccharides classified?

    <p>Reducing and non-reducing</p> Signup and view all the answers

    What type of saccharide plays a reserve role in plant organisms?

    <p>Starch</p> Signup and view all the answers

    What is the result of the complete hydrolysis of glycogen?

    <p>Glucose and maltose</p> Signup and view all the answers

    What is the molecular mass of the macromolecule of cellulose?

    <p>400min-2mlng</p> Signup and view all the answers

    What type of bond is present in the macromolecule of cellulose?

    <p>Hydrogen bond</p> Signup and view all the answers

    What is the percentage of cellulose in wood?

    <p>50-70%</p> Signup and view all the answers

    What determines the high mechanical strength, water resistance, and chemical inertness of cellulose?

    <p>Hydrogen bond</p> Signup and view all the answers

    What is the reason for the mutagenesis of disaccharides?

    <p>Ciklo-okso tautomeriya</p> Signup and view all the answers

    Which of the following disaccharides is also known as milk sugar?

    <p>Laktoza</p> Signup and view all the answers

    What is the result of the reaction of disaccharides with amylase?

    <p>Kraxmal idirawinin'</p> Signup and view all the answers

    Which carbon atoms of the D-glyukopiranoza molecule participate in the formation of α-glykosid bond in maltose?

    <p>C4-C2</p> Signup and view all the answers

    Which of the following disaccharides is a reducing sugar?

    <p>Maltoza</p> Signup and view all the answers

    What is the reason for the return of disaccharides to their original form?

    <p>Ciklo-okso tautomeriya</p> Signup and view all the answers

    What is the location of the hydroxyl group in galactosamine?

    <p>4- halatinda</p> Signup and view all the answers

    What is the type of bond between the monosaccharides in chondroitin sulfate?

    <p>Acetal bond</p> Signup and view all the answers

    What is the molecular weight range of chondroitin sulfates?

    <p>10-60 min</p> Signup and view all the answers

    What is the type of disaccharide unit in heparin?

    <p>Glucuronic acid and N-acetylglucosamine</p> Signup and view all the answers

    What is the characteristic of glucosamine residues in heparin?

    <p>Amino group is sulfated and acetylated</p> Signup and view all the answers

    Which type of sugar residues in heparin can have sulfate groups?

    <p>Both glucuronic acid and iduronic acid</p> Signup and view all the answers

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